Imprint: Remove stale reference to obsolete internal style sheet definition.
Imprint: Simplify internal representation of imprint content.
Imprint: Remove check for privileged rights that crashed the dummy template for normal users.
Imprint: Change version number to 0.2.2.
Merge pull request #1984 from arkascha/master

Imprint: version 0.2.2: fix crash for non privileged users before content has been configured.